diff --git a/paddle/fluid/operators/ngraph/ops/top_k_op.h b/paddle/fluid/operators/ngraph/ops/top_k_op.h
index 4c7922e35e3c04d343a0bfb63ab31614836f190c..2b7254497c0e1aab2e653e69e6461f262b929703 100644
--- a/paddle/fluid/operators/ngraph/ops/top_k_op.h
+++ b/paddle/fluid/operators/ngraph/ops/top_k_op.h
@@ -23,7 +23,7 @@ namespace paddle {
 namespace operators {
 namespace ngraphs {
 
-static void BuildTopKNode(
+void BuildTopKNode(
     const std::shared_ptr<paddle::framework::OperatorBase>& op,
     std::shared_ptr<
         std::unordered_map<std::string, std::shared_ptr<ngraph::Node>>>